Item Diameter: 5mm, not easy to break, firmly ties items, and doesn't easily fall off Flexible: Have a flexible steel wire core, can be flexibly bent and twisted into different shapes Silicone: Have a tough silicone exterior and soft cap that wont scratch or puncture your items Easy to Use: Can be twist, turn, wrap and secure; Easy to handle, loads of fun Multiple Uses: Wrapping medium to large appliance cords, extension cords, jumper cables; Good for home, office, yard, camping, travel